packer-cn/builder/jdcloud/step_config_credentials.go

74 lines
2.5 KiB
Go

package jdcloud
import (
"context"
"fmt"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/jdcloud-api/jdcloud-sdk-go/services/vm/apis"
"io/ioutil"
)
type stepConfigCredentials struct {
InstanceSpecConfig *JDCloudInstanceSpecConfig
ui packer.Ui
}
func (s *stepConfigCredentials) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
s.ui = state.Get("ui").(packer.Ui)
password := s.InstanceSpecConfig.Comm.SSHPassword
privateKeyPath := s.InstanceSpecConfig.Comm.SSHPrivateKeyFile
privateKeyName := s.InstanceSpecConfig.Comm.SSHKeyPairName
newKeyName := s.InstanceSpecConfig.Comm.SSHTemporaryKeyPairName
if len(privateKeyPath) > 0 && len(privateKeyName) > 0 {
s.ui.Message("\t Private key detected, we are going to login with this private key :)")
return s.ReadExistingPair()
}
if len(newKeyName) > 0 {
s.ui.Message("\t We are going to create a new key pair with its name=" + newKeyName)
return s.CreateRandomKeyPair(newKeyName)
}
if len(password) > 0 {
s.ui.Message("\t Password detected, we are going to login with this password :)")
return multistep.ActionContinue
}
s.ui.Error("[ERROR] Didn't detect any credentials, you have to specify either " +
"{password} or " +
"{key_name+local_private_key_path} or " +
"{temporary_key_pair_name} cheers :)")
return multistep.ActionHalt
}
func (s *stepConfigCredentials) ReadExistingPair() multistep.StepAction {
privateKeyBytes, err := ioutil.ReadFile(s.InstanceSpecConfig.Comm.SSHPrivateKeyFile)
if err != nil {
s.ui.Error("Cannot read local private-key, were they correctly placed? Here's the error" + err.Error())
return multistep.ActionHalt
}
s.ui.Message("\t\t Keys read successfully :)")
s.InstanceSpecConfig.Comm.SSHPrivateKey = privateKeyBytes
return multistep.ActionContinue
}
func (s *stepConfigCredentials) CreateRandomKeyPair(keyName string) multistep.StepAction {
req := apis.NewCreateKeypairRequest(Region, keyName)
resp, err := VmClient.CreateKeypair(req)
if err != nil || resp.Error.Code != FINE {
s.ui.Error(fmt.Sprintf("[ERROR] Cannot create a new key pair for you, \n error=%v \n response=%v", err, resp))
return multistep.ActionHalt
}
s.ui.Message("\t\t Keys created successfully :)")
s.InstanceSpecConfig.Comm.SSHPrivateKey = []byte(resp.Result.PrivateKey)
s.InstanceSpecConfig.Comm.SSHKeyPairName = keyName
return multistep.ActionContinue
}
func (s *stepConfigCredentials) Cleanup(state multistep.StateBag) {
}